[gimp] app: in GimpOperationBlend, fix left/right-most colors when offset > 0

[N/A <ell src gnome org>]

commit 0e9747380b40b3d65042d76667fc36d30357404c
Author: Ell <ell_se yahoo com>
Date:   Mon Oct 9 13:11:25 2017 -0400

    app: in GimpOperationBlend, fix left/right-most colors when offset > 0

 app/operations/gimpoperationblend.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/operations/gimpoperationblend.c b/app/operations/gimpoperationblend.c
index e0b9517..0ad5494 100644
--- a/app/operations/gimpoperationblend.c
+++ b/app/operations/gimpoperationblend.c
@@ -913,11 +913,11 @@ gradient_render_pixel (gdouble   x,
 
   /* Blend the colors */
 
-  if (factor < 0.0)
+  if (factor <= 0.0)
     {
       *color = rbd->leftmost_color;
     }
-  else if (factor > 1.0)
+  else if (factor >= 1.0)
     {
       *color = rbd->rightmost_color;
     }